Apparently libertarians are supposed to like Bernie Sanders, a commie, because Utopians should stick together
Well, that sounds like “assume” - and you know how that old saying goes...
A political philosophy based on class warfare requires economic authoritarianism, which inevitably leads to authoritarianism in all other aspects of society.
Marxism goes back 150 years now — we've seen this before. Believing otherwise is just naïve.